Just sponsored the first Tor-native OpenTimestamps calendar server. 42k sats on-chain. 🧅 http://otscalk7z4duv5hdpv6r3l4prrfkgcivufa4j6c7lu7u3f3mcz… How to use: # Timestamp any data HASH=$(echo -n "your data" | sha256sum | cut -d' ' -f1) echo "$HASH" | xxd -r -p | \ curl --socks5-hostname localhost:9050 \ -X POST --data-binary @- -o proof.ots \ http://otscalk7z4duv5hdpv6r3l4prrfkgcivufa4j6c7lu7u3f3mcz… # NIP-03: Timestamp a Nostr event echo "$EVENT_ID" | xxd -r -p | \ curl --socks5-hostname localhost:9050 \ -X POST --data-binary @- -o event.ots \ http://otscalk7z4duv5hdpv6r3l4prrfkgcivufa4j6c7lu7u3f3mcz… # Verify after ~6 hours ots upgrade proof.ots && ots verify proof.ots Requires: Tor on localhost:9050 4th public OTS calendar worldwide. First one Tor-only. Prove anything existed. No trusted third party. Just math, Bitcoin, and onion routing. 🧅⛓️